index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
text {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.legend line,
.lines {
fill: none;
stroke-width: 1.5px;
stroke-linejoin: round;
stroke-linecap: round;
}
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var margin = {top: 10, right: 245, bottom: 30, left: 255},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var x = d3.scale.log()
.domain([0.1, 100])
.range([0, width]);
var y = d3.scale.log()
.domain([0.1, 100])
.range([height, 0]);
var color = d3.scale.category10();
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom")
.ticks(0, ".1s");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.ticks(0, ".1s");
var line = d3.svg.line();
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
svg.append("defs").append("clipPath")
.attr("id", "clip")
.append("rect")
.attr("width", width)
.attr("height", height);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
d3.tsv("data.tsv", type, function(error, data) {
var seriesNames = d3.keys(data[0]);
var series = seriesNames.map(function(key) {
return data.map(function(d) {
return [x(d.x), y(d[key])];
});
});
svg.append("g")
.attr("class", "lines")
.attr("clip-path", "url(#clip)")
.selectAll("path")
.data(series)
.enter().append("path")
.style("stroke", function(d, i) { return color(i); })
.attr("d", line);
var legend = svg.append("g")
.attr("class", "legend")
.selectAll("g")
.data(seriesNames)
.enter().append("g")
.attr("transform", function(d, i) { return "translate(" + (width - 60) + "," + (height - 20 - i * 20) + ")"; });
legend.append("line")
.style("stroke", function(d, i) { return color(i); })
.attr("x2", 20);
legend.append("text")
.attr("dy", ".35em")
.attr("x", 26)
.text(function(d) { return "f(x) = " + d; });
});
function type(d) {
for (var key in d) d[key] = +d[key];
return d;
}
</script>